[PATCH] D77807: [LLD][ELF] Implement --discard-* for cases when -r or --emit-relocs are used.

[Fangrui Song via Phabricator via llvm-commits]

MaskRay added a comment.

Can you rebase after D78389 <https://reviews.llvm.org/D78389>? The improved test coverage should help us understand the impact of the `used` change now.

For tests, you can just modify `emit-relocs-discard-locals.s`


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  https://reviews.llvm.org/D77807/new/

https://reviews.llvm.org/D77807